EP3955398A4 - Multi-laser pulse oscillation method and multi-laser pulse oscillation device using multi-q-switching - Google Patents
Multi-laser pulse oscillation method and multi-laser pulse oscillation device using multi-q-switching Download PDFInfo
- Publication number
- EP3955398A4 EP3955398A4 EP21753942.8A EP21753942A EP3955398A4 EP 3955398 A4 EP3955398 A4 EP 3955398A4 EP 21753942 A EP21753942 A EP 21753942A EP 3955398 A4 EP3955398 A4 EP 3955398A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- laser pulse
- pulse oscillation
- switching
- oscillation device
- oscillation method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1123—Q-switching
- H01S3/127—Plural Q-switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1123—Q-switching
- H01S3/115—Q-switching using intracavity electro-optic devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094076—Pulsed or modulated pumping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10038—Amplitude control
- H01S3/10046—Pulse repetition rate control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1022—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
- H01S3/1024—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping for pulse generation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
- H01S3/092—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1611—Solid materials characterised by an active (lasing) ion rare earth neodymium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/163—Solid materials characterised by a crystal matrix
- H01S3/164—Solid materials characterised by a crystal matrix garnet
- H01S3/1643—YAG
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Laser Surgery Devices (AREA)
- Radiation-Therapy Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020200017687A KR102221082B1 (en) | 2020-02-13 | 2020-02-13 | Method of generating multi laser pulse using multi Q-switching and Apparatus of generating multi laser pulse |
PCT/KR2021/001463 WO2021162339A1 (en) | 2020-02-13 | 2021-02-04 | Multi-laser pulse oscillation method and multi-laser pulse oscillation device using multi-q-switching |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3955398A1 EP3955398A1 (en) | 2022-02-16 |
EP3955398A4 true EP3955398A4 (en) | 2022-08-03 |
Family
ID=74687904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21753942.8A Pending EP3955398A4 (en) | 2020-02-13 | 2021-02-04 | Multi-laser pulse oscillation method and multi-laser pulse oscillation device using multi-q-switching |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230134604A1 (en) |
EP (1) | EP3955398A4 (en) |
JP (1) | JP2022539447A (en) |
KR (1) | KR102221082B1 (en) |
CN (1) | CN114051681A (en) |
WO (1) | WO2021162339A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5621745A (en) * | 1992-09-25 | 1997-04-15 | American Dental Technologies, Inc. | Intracavity modulated pulsed laser and methods of using the same |
CN102354904B (en) * | 2011-01-28 | 2016-06-29 | 中国科学院福建物质结构研究所 | double-pulse lamp pump solid laser |
US20170012403A1 (en) * | 2014-03-27 | 2017-01-12 | Fujifilm Corporation | Laser device and photoacoustic measurement device comprising the same |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4197513A (en) * | 1977-12-09 | 1980-04-08 | Quanta Ray Inc. | Active Q-switched high power single mode laser |
JP2002103066A (en) * | 2000-09-25 | 2002-04-09 | Nec Corp | Laser beam machining device |
JP3838064B2 (en) * | 2001-09-28 | 2006-10-25 | 松下電器産業株式会社 | Laser control method |
KR101115470B1 (en) * | 2010-05-04 | 2012-02-24 | 강동환 | Laser generating devices |
KR101229111B1 (en) | 2011-08-17 | 2013-02-04 | 주식회사 제이시스메디칼 | Multi-laser generating system |
KR101348677B1 (en) * | 2012-03-28 | 2014-01-09 | 주식회사 루트로닉 | Method for generating multi-short pulse of laser apparatus |
CN105186281B (en) * | 2015-10-30 | 2016-09-28 | 深圳市创鑫激光股份有限公司 | The control method of a kind of laser instrument output and laser instrument |
JP6562464B2 (en) * | 2016-01-08 | 2019-08-21 | 大学共同利用機関法人自然科学研究機構 | Passive Q-switched laser device |
CN107565371A (en) * | 2017-09-19 | 2018-01-09 | 沈阳理工大学 | A kind of subpulse laser generation method based on double Q-regulating techniques |
KR102044857B1 (en) * | 2017-10-11 | 2019-11-14 | 원텍 주식회사 | Laser generation device |
CN108767651B (en) * | 2018-08-08 | 2024-04-30 | 深圳市吉斯迪科技有限公司 | Medical double-pulse Q-switched laser capable of realizing laser mode switching |
-
2020
- 2020-02-13 KR KR1020200017687A patent/KR102221082B1/en active IP Right Grant
-
2021
- 2021-02-04 US US17/597,262 patent/US20230134604A1/en active Pending
- 2021-02-04 EP EP21753942.8A patent/EP3955398A4/en active Pending
- 2021-02-04 CN CN202180004258.7A patent/CN114051681A/en active Pending
- 2021-02-04 WO PCT/KR2021/001463 patent/WO2021162339A1/en unknown
- 2021-02-04 JP JP2021569103A patent/JP2022539447A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5621745A (en) * | 1992-09-25 | 1997-04-15 | American Dental Technologies, Inc. | Intracavity modulated pulsed laser and methods of using the same |
CN102354904B (en) * | 2011-01-28 | 2016-06-29 | 中国科学院福建物质结构研究所 | double-pulse lamp pump solid laser |
US20170012403A1 (en) * | 2014-03-27 | 2017-01-12 | Fujifilm Corporation | Laser device and photoacoustic measurement device comprising the same |
Non-Patent Citations (2)
Title |
---|
SATTMANN R ET AL: "LASER-INDUCED BREAKDOWN SPECTROSCOPY OF STEEL SAMPLES USING MULTIPLE Q-SWITCH ND:YAG LASER PULSES", JOURNAL OF PHYSICS D: APPLIED PHYSICS, INSTITUTE OF PHYSICS PUBLISHING, BRISTOL, GB, vol. 28, no. 10, 14 October 1995 (1995-10-14), pages 2181 - 2187, XP000543466, ISSN: 0022-3727, DOI: 10.1088/0022-3727/28/10/030 * |
See also references of WO2021162339A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2022539447A (en) | 2022-09-09 |
KR102221082B1 (en) | 2021-02-26 |
WO2021162339A1 (en) | 2021-08-19 |
US20230134604A1 (en) | 2023-05-04 |
EP3955398A1 (en) | 2022-02-16 |
CN114051681A (en) | 2022-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP4063054A4 (en) | Laser reflow device and laser reflow method | |
EP3778103A4 (en) | Laser cutting device and laser cutting method | |
EP4013196A4 (en) | Laser soldering method and device | |
EP3806771A4 (en) | Method and apparatus for laser lithotripsy | |
EP3738180B8 (en) | Laser system and method for generating laser pulses with very high repetition rate | |
EP3656499A4 (en) | Laser welding method and laser welding tool device | |
EP3766627A4 (en) | Laser oscillator, laser machining device in which same is used, and laser oscillation method | |
EP3778100A4 (en) | Laser welding method, and laser welding device | |
EP3616819A4 (en) | Laser soldering method and device | |
EP3819070A4 (en) | Laser machining device and laser machining method | |
EP3919858A4 (en) | Rotary laser device and laser ranging method | |
EP3753667A4 (en) | Laser welding device and laser welding method | |
EP3753666A4 (en) | Laser welding device and laser welding method | |
EP3915716A4 (en) | Laser machining apparatus and laser machining head | |
EP4173749A4 (en) | Laser welding device and laser welding method | |
EP3809092A4 (en) | Laser beam irradiation device and laser beam irradiation method | |
EP3981540A4 (en) | Laser welding device and laser welding method using same | |
EP4099967A4 (en) | Direct laser trabeculoplasty method and apparatus | |
EP3978183A4 (en) | Laser machining device and laser machining method using same | |
EP4005724A4 (en) | Repairing laser welding method and repairing laser welding device | |
EP4043143A4 (en) | Laser cutting method and laser cutting device | |
EP3955398A4 (en) | Multi-laser pulse oscillation method and multi-laser pulse oscillation device using multi-q-switching | |
EP3855584A4 (en) | Laser device, and laser waveform control method | |
EP4151355A4 (en) | Laser welding method and laser welding device | |
AU2003293919A1 (en) | Arrangement and method for generating ultrashort laser pulses |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20211112 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220705 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01S 3/16 20060101ALI20220629BHEP Ipc: H01S 3/092 20060101ALI20220629BHEP Ipc: H01S 3/10 20060101ALI20220629BHEP Ipc: H01S 3/102 20060101ALI20220629BHEP Ipc: H01S 3/094 20060101ALI20220629BHEP Ipc: H01S 3/115 20060101AFI20220629BHEP |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |